Ghost peak
A peak arising from material retained on the column from a previous injection and released by a later gradient. Detected by a blank injection.
Related terms
- Carry-over
- Sample residue transferred from one injection to the next, usually in the autosampler needle or loop. Quantified by a blank after a high-concentration injection.
see also Ghost peak
Where this term appears
The glossary exists to make record pages readable without a chemistry degree. Every technical term on a report resolves here.
- Assay report records — the term appears in result tables, peak tables and provenance blocks
- Method references — where the measurement behind the term is defined
- All 8 glossary terms beginning with G